From d697d79f8d6b30a33e06ad729e5807a7acd0a760 Mon Sep 17 00:00:00 2001 From: Michael Schwingen Date: Mon, 23 May 2011 00:00:08 +0200 Subject: [PATCH] IXP NPE: add support for fixed-speed MII ports Signed-off-by: Michael Schwingen --- arch/arm/cpu/ixp/npe/npe.c | 67 ++++++++++++++++++++++++-------------- 1 file changed, 42 insertions(+), 25 deletions(-) diff --git a/arch/arm/cpu/ixp/npe/npe.c b/arch/arm/cpu/ixp/npe/npe.c index 6d92c53d4c..f0e02bf7d9 100644 --- a/arch/arm/cpu/ixp/npe/npe.c +++ b/arch/arm/cpu/ixp/npe/npe.c @@ -359,36 +359,53 @@ static int npe_init(struct eth_device *dev, bd_t * bis) debug("%s: 1\n", __FUNCTION__); - miiphy_read (dev->name, p_npe->phy_no, MII_BMSR, ®_short); - - /* - * Wait if PHY is capable of autonegotiation and autonegotiation is not complete - */ - if ((reg_short & BMSR_ANEGCAPABLE) && !(reg_short & BMSR_ANEGCOMPLETE)) { - puts ("Waiting for PHY auto negotiation to complete"); - i = 0; - while (!(reg_short & BMSR_ANEGCOMPLETE)) { - /* - * Timeout reached ? - */ - if (i > PHY_AUTONEGOTIATE_TIMEOUT) { - puts (" TIMEOUT !\n"); - break; - } +#ifdef CONFIG_MII_NPE0_FIXEDLINK + if (0 == p_npe->eth_id) { + speed = CONFIG_MII_NPE0_SPEED; + duplex = CONFIG_MII_NPE0_FULLDUPLEX ? FULL : HALF; + } else +#endif +#ifdef CONFIG_MII_NPE1_FIXEDLINK + if (1 == p_npe->eth_id) { + speed = CONFIG_MII_NPE1_SPEED; + duplex = CONFIG_MII_NPE1_FULLDUPLEX ? FULL : HALF; + } else +#endif + { + miiphy_read(dev->name, p_npe->phy_no, MII_BMSR, ®_short); + + /* + * Wait if PHY is capable of autonegotiation and + * autonegotiation is not complete + */ + if ((reg_short & BMSR_ANEGCAPABLE) && + !(reg_short & BMSR_ANEGCOMPLETE)) { + puts("Waiting for PHY auto negotiation to complete"); + i = 0; + while (!(reg_short & BMSR_ANEGCOMPLETE)) { + /* + * Timeout reached ? + */ + if (i > PHY_AUTONEGOTIATE_TIMEOUT) { + puts(" TIMEOUT !\n"); + break; + } - if ((i++ % 1000) == 0) { - putc ('.'); - miiphy_read (dev->name, p_npe->phy_no, MII_BMSR, ®_short); + if ((i++ % 1000) == 0) { + putc('.'); + miiphy_read(dev->name, p_npe->phy_no, + MII_BMSR, ®_short); + } + udelay(1000); /* 1 ms */ } - udelay (1000); /* 1 ms */ + puts(" done\n"); + /* another 500 ms (results in faster booting) */ + udelay(500000); } - puts (" done\n"); - udelay (500000); /* another 500 ms (results in faster booting) */ + speed = miiphy_speed(dev->name, p_npe->phy_no); + duplex = miiphy_duplex(dev->name, p_npe->phy_no); } - speed = miiphy_speed (dev->name, p_npe->phy_no); - duplex = miiphy_duplex (dev->name, p_npe->phy_no); - if (p_npe->print_speed) { p_npe->print_speed = 0; printf ("ENET Speed is %d Mbps - %s duplex connection\n", -- 2.25.1